Out-of-towners using marijuana in Colorado end up in emergency room

Out-of-towners using marijuana in Colorado -- which has legally allowed sales of the drug in retail dispensaries since 2014 -- are ending up in the emergency room at an increasing rate, reports a new study from Northwestern Medicine and the University ...

Out-of-towners using marijuana in Colorado — which has legally allowed sales of the drug in retail dispensaries since 2014 — are ending up in the emergency room at an increasing rate, reports a new study from Northwestern Medicine and the University of Colorado School of Medicine.